Photoelectric protection device

Mainly used in forging industry, automobile manufacturing industry, electronic and electrical manufacturing industry, and mechanical equipment supporting the personal safety of operators. It differs from general sensors in that it has a safety level requirement and can be used in the field of personal safety testing for operators in the forging industry.

definition

It differs from general sensors in that it has a safety level requirement and can be used in the field of personal safety testing for operators in the forging industry.

Basic detection principle

The light emitter emits a number of invisible infrared light beams, and the light receiver receives the infrared light beam from the light emitter to form a rectangular detection light curtain. The entire light curtain is scanned by beam scanning. Any opaque objects larger than a certain size (such as a part of the operator's human body, opaque parts, etc.) invade the light curtain area and cause shading. The optoelectronic protective device detects the shading and will enter an "abnormal" state within 20ms of the response time - interrupting the output (if the relay is turned off, the transistor enters the off state, etc.).

species

Shooting type: high detection accuracy, up to safety level 4.
Reflective: detection accuracy is relatively low, up to four levels of security.
Diffuse type: The highest level is safety level 3. According to the IEC 61496-3 description, only the diffuse reflection type photoelectric using the distance measurement principle is used.
Description and features
Protection length:
0.4m to 3m (reflection type) 0 to 2m (for radiation type A) 0 to 8m (for radiation type B) 0 to 20m (D type) and other custom lengths
â—†Protection height: 100mm to 2840mm
â—† Optical axis spacing: 10mm 20mm 30mm 40mm
â—† Detection accuracy: 18mm 28mm 38mm 48mm
Features
★ The whole process of self-test
★External controller double switch with detection button higher safety factor
★ Receiver digital indication visual display
★ High resolution protects fingers
★ Easy and versatile installation
★ Easy alignment of optical axis
★ Resist light and electromagnetic interference
★ Low power design
★ Short response time and high reliability
Industry Standard Edition
1. Standard for optoelectronic protective devices for presses GB4584-2007
2.IEC61496-1:1997 (GB/T19436.1-2013)
3.IEC 61496-2:1997 (GB/T 19436.2-2013)

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